president obama travels, today, to the business roundtable, where he'll address ceos of leading companies, folks who are closely watching this fiscal cliff drama. paula? rob? >> drama, indeed. tahman bradley, live in washington. thanks, tahman. >>> and a top republican may be among president obama's choice for his reshuffled cabinet. former senator chuck hagel of nebraska is said to be on the short list for secretary of defense. the president is expected to announce his nominees in the next two weeks. >>> and looking frail and also in a wheelchair, former senator bob dole made a surprise appearance last night on capitol hill, just days after being released from the hospital. dole was pushing for passage of a u.n. treaty guaranteeing equal rights for the disabled. but his efforts were in vain. republicans blocked approval of the treaty, saying it threatens national sovereignty. >>> also, a political passing announced overnight. long-time texas congressman, jack brooks has died. you can see brooks in this very famous photograph of lbj being sworn in as president aboard air force one. he is